Gates of the Mountains storm history
Storm events recorded in Gates of the Mountains, Montana between 1950 and 2025.
27
Total events
0
Tornadoes
0
Hail
0
Floods
0
Deaths
$0
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
High Wind High Wind
Numerous sensors and a trained spotter reported gusts in excess of 58 mph or sustained winds averaging at least 40 mph over an hour or more, including mesonet station MTSBN Sieben Flats (MT DOT), RAWS station DBOM8 Dearborn and NW Energy sensor Birdseye Rd. The peak gust reported…
High Wind High Wind
A trained spotter near Silver City reported a 73 mph gust. MT DOT sensor at Sieben Flats also measured two gusts in excess of 58 mph.
High Wind High Wind
Trained spotter reported a 61 mph gust very near Silver City.
High Wind High Wind
MT DOT sensor at Sieben Flats measured a 69 mph gust.
Wildfire Wildfire
The Hilger Valley fire was discovered June 9 about 20 miles north of Helena, northwest of the Gates of the Mountain. The cause was undetermined, with the fire involving timber and associated grass understory. The fire grew to 295 acres before being fully contained by June 14.
Heavy Snow Heavy Snow
NWS employee reports an estimated 8 inches new snow near Hardy Creek exit on I-15. Event spanned two months, hence a start time of midnight.
Heavy Snow Heavy Snow
A coop observer near Holter Dam observed 6 inches of new snow over two observations. Start time was estimated.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
RAWS station DBOM8 Dearborn measured a wind chill of -40F.
High Wind High Wind
Mesonet sensor MTSBN Sieben Flats (MT DOT) measured multiple gusts in excess of 60 mph, including a peak gust of 71 mph. The site also measured high sustained winds averaging 48 mph between 4 and 5 PM. Additionally, a trained spotter 7 E of Maryville reported a peak gust of 68 mp…
High Wind High Wind
Two trained spotters in the Birsdeye area reported gusts of or greater than 58 mph. Additionally, MDT sensor Sieben Flats MTSBN measured a 59 mph gust.
High Wind High Wind
Mesonet station BTSBN Sieben Flats (MT DOT) measured a 63 mph gust.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet station MTSBN Sieben Flats (8ssw Wolf Creek). Wind Chill of -56F.
High Wind High Wind
Mesonet sensor MTSBN Sieben Flats measured a single gust of 60 mph.
Heavy Snow Heavy Snow
Two reports were received that met winter storm criteria in the Gates of the Mountains area. The first was from an NWS employee 6 miles NE of Craig, who measured 9.2 inches storm total snow. Additionally, a coop observer at Holter Dam measured 9 inches new snow for the event.
Heavy Snow Heavy Snow
NWS employee observed 7 inches new snow over 12 hours ending 625 AM MDT 4/19. Storm total snow for the employee was 10 inches. Additionally, a public report was received of 8 to 10 inches on the northeast side of the Missouri River in the Helena Valley area, just inside the Gates…
Heavy Snow Heavy Snow
Observer at Holter Dam reported an event total of 6 inches of snow, with a liquid equivalent of 0.45.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet station MTSBN Sieben flats measured two wind chills of -40 F or less, including a minimum wind chill of -41 F.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Mesonet station MTSBN Sieben Flats measured a brief period of wind chills at -40 F.
Heavy Snow Heavy Snow
NWS employee located about 6 miles northeast of Craig reported an event total snow amount of 10.1 inches.
Heavy Snow Heavy Snow
COOP observer located near Adel reported an event total snow amount of 13 inches.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Multiple sensors measured wind chills of less than -40 F, including the DOT sensor near Sieben (MTSBN) which measured a minimum wind chill of -52 F.
Heavy Snow Heavy Snow
NWS employee measured 6.4 inches new snow through 153 PM December 14.
Heavy Snow Heavy Snow
NWS employee reported 9.3 inches snowfall over 48 hour period at 6 miles northeast of Craig.
High Wind High Wind
Mesonet station MTSBN (Sieben Flats) reported 76 mph wind gust.
High Wind High Wind
Public report 6 SE Canyon Creek reported 71 mph wind gust. Roof damage and cable outage reported.
High Wind High Wind
AWOS Station (K1GM Golf) reported 71 mph wind gust.
High Wind High Wind
Public report 6 SE Canyon Creek reported 60 mph wind gust.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 8 | 0 |
| 2024 | 4 | 0 |
| 2023 | 8 | 0 |
| 2022 | 7 | 0 |